Home / 6,386.12-9,579.15-2,003.57

Finding the Fourth Proportional to 6,386.12, 9,579.15 and 2,003.57

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Solution

The fourth proportional to 6,386.12, 9,579.15 and 2,003.57 is: 3,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.12 : 9,579.15 = 2,003.57 : x
  2. Step 2: Convert to fraction form
    6,386.12/9,579.15 = 2,003.57/x
  3. Step 3: Cross multiply
    6,386.12x = 9,579.15 × 2,003.57
  4. Step 4: Simplify right side
    6,386.12x = 19,192,449.67
  5. Step 5: Solve for x
    x = 19,192,449.67/6,386.12
  6. Step 6: Final answer
    x = 3,005.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.